Premium DC Power Jack Connectors – 2.1mm x 5.5mm Male/Female Adaptors
High-precision brass contacts with gold-plated terminals ensure minimal resistance and stable power transmission. Reinforced nylon housing provides superior heat resistance (up to 105°C) and durability for long-term use. Machined knurled grips on male plugs enable secure, anti-slip connections. Spring-loaded female sockets maintain consistent pressure to prevent loose contacts. Ideal for DIY electronics, 3D printers, LED displays, CCTV systems, and lab equipment repairs. Compatible with Arduino, Raspberry Pi, and most 12V/5V power supplies. Sold in bulk packs for makers, factories, and repair shops. Global wholesale pricing with no minimum order.